// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
#pragma once

#include <pollux/expression/expr.h>

namespace kumo::pollux::exec {
    class SpecialForm : public Expr {
    public:
        SpecialForm(
            TypePtr type,
            std::vector<ExprPtr> inputs,
            const std::string &name,
            bool supportsFlatNoNullsFastPath,
            bool trackCpuUsage)
            : Expr(
                std::move(type),
                std::move(inputs),
                name,
                true /* specialForm */,
                supportsFlatNoNullsFastPath,
                trackCpuUsage) {
        }

        // This is safe to call only after all metadata is computed for input
        // expressions.
        virtual void computePropagatesNulls() {
            POLLUX_NYI();
        }
    };
} // namespace kumo::pollux::exec
